| /*************************************************** |
| Copyright (c) 2015 Amphion Semiconductor Ltd |
| All rights reserved. |
| *************************************************** |
| * The code contained herein is licensed under the GNU General Public |
| * License. You may obtain a copy of the GNU General Public License |
| * Version 2 or later at the following locations: |
| * |
| * http://www.opensource.org/licenses/gpl-license.html |
| * http://www.gnu.org/copyleft/gpl.html |
| **************************************************** |
| |
| Filename: DecoderLibPrivate.c |
| Description: Decoder Library API level |
| Author: Kyle McAdoo - Media IP FW Team ( Belfast & Shanghai ) |
| |
| ***************************************************/ |
| |
| ///////////////////////////////////////////////////////////////////////////////// |
| // Header files |
| ///////////////////////////////////////////////////////////////////////////////// |
| |
| #include "basetype.h" |
| #include "mediaip_fw_types.h" |
| #include "pal.h" |
| #include "DecKernelLibPrivate.h" |
| #include "DecKernelLibHWControl.h" |
| |
| ///////////////////////////////////////////////////////////////////////////////// |
| // Global Variables |
| ///////////////////////////////////////////////////////////////////////////////// |
| |
| u_int32 uMvdKernelIrqPin[DECODERLIB_MAX_MALONES][0x2]; |
| |
| ///////////////////////////////////////////////////////////////////////////////// |
| // Extern function prototypes |
| ///////////////////////////////////////////////////////////////////////////////// |
| |
| extern DEC_KERNEL_LIB gDecKernelLib; |
| extern MALONE_KERNEL_HW_SESSION gMvdKernelHw[(DECODERLIB_MAX_MALONES + 1)]; |
| |
| extern MEDIAIP_IRQ_RETCODE mvd_kernel_hw_primary_isr ( u_int32 irq_val ); |
| extern MEDIAIP_IRQ_RETCODE mvd_kernel_hw_secondary_isr ( u_int32 irq_val ); |
| |
| ///////////////////////////////////////////////////////////////////////////////// |
| // Code |
| ///////////////////////////////////////////////////////////////////////////////// |
| |
| //////////////////////////////////////////////////////////////////////////////////// |
| // FUNCTION: internal_decoder_kernel_lib_init // |
| // // |
| // DESCRIPTION: This function initialises the decoder library // |
| // more notes to follow when it works... // |
| // // |
| // INPUTS: None // |
| // // |
| // OUTPUTS: None. // |
| // // |
| // RETURNS: MEDIAIP_FW_STATUS_ // |
| // OK - Success. // |
| // BAD_PARAMETER - Configuration structure not initialised // |
| // ALREADY_INIT - // |
| // // |
| // NOTES: None. // |
| // // |
| // CONTEXT: This function must be called from non-interrupt context // |
| // // |
| //////////////////////////////////////////////////////////////////////////////////// |
| |
| MEDIAIP_FW_STATUS internal_decoder_kernel_lib_init ( DECODERLIB_KERNEL_CFG * pCfg ) |
| { |
| MEDIAIP_FW_STATUS RetCode = MEDIAIP_FW_STATUS_OK; |
| |
| /* Parse interrupt config */ |
| internal_decoder_kernel_lib_parse_cfg ( pCfg, |
| FALSE ); |
| |
| /* Setup hardware view of Malone */ |
| mvd_kernel_hw_control_init ( pCfg ); |
| |
| return RetCode; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////// |
| // FUNCTION: internal_decoder_kernel_lib_register_isr_callback // |
| // // |
| // DESCRIPTION: This function registers handlers for event processing // |
| // more notes to follow when it works... // |
| // // |
| // INPUTS: hHandle - handle for the stream with which to register the // |
| // callbacks // |
| // pfCallback - Function ponter to be executed when a decoder // |
| // event is raised // |
| // // |
| // OUTPUTS: None. // |
| // // |
| // RETURNS: None. // |
| // // |
| // NOTES: None. // |
| // // |
| // CONTEXT: Unknown if there are any constraints here as yet // |
| // // |
| //////////////////////////////////////////////////////////////////////////////////// |
| |
| void internal_decoder_kernel_lib_register_isr_callback ( u_int32 uMalIdx, |
| DecKernelLib_Isr_Callback_t pfCallback |
| ) |
| { |
| gDecKernelLib.pfCallback[uMalIdx] = pfCallback; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////// |
| // FUNCTION: internal_decoder_kernel_lib_parse_cfg // |
| // // |
| // DESCRIPTION: Update DecoderLib structs with info from the configuration // |
| // // |
| // INPUTS: pCfg - The DecLib configuration // |
| // bCheck - A control variable which allows prints on changes in // |
| // // |
| // OUTPUTS: None. // |
| // // |
| // RETURNS: None. // |
| // // |
| // NOTES: Set bCheck in snapshot restarts to see what may be different // |
| // in the configuration of the generation and restart platforms // |
| // // |
| // CONTEXT: Call from thread context // |
| // // |
| //////////////////////////////////////////////////////////////////////////////////// |
| |
| void internal_decoder_kernel_lib_parse_cfg ( DECODERLIB_KERNEL_CFG * pCfg, |
| bool bCheck |
| ) |
| { |
| PAL_PFNISR pFnDecodeIsr; |
| u_int32 uMalIdx; |
| |
| gDecKernelLib.uNumMalones = pCfg->uNumMalones; |
| |
| for ( uMalIdx = 0x0; uMalIdx < gDecKernelLib.uNumMalones; uMalIdx++ ) |
| { |
| uMvdKernelIrqPin[uMalIdx][0x0] = pCfg->uMaloneIrqPin[uMalIdx][0x0]; |
| uMvdKernelIrqPin[uMalIdx][0x1] = pCfg->uMaloneIrqPin[uMalIdx][0x1]; |
| } |
| |
| /* Finally claim the interrupts */ |
| pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_primary_isr; |
| pal_int_register ( uMvdKernelIrqPin[0x0][0x0], pFnDecodeIsr, FALSE ); |
| pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_secondary_isr; |
| |
| /* This is a safety check in case a lazy player does not setup the second irq */ |
| if ( uMvdKernelIrqPin[0x0][0x0] != uMvdKernelIrqPin[0x0][0x1] ) |
| { |
| pal_int_register ( uMvdKernelIrqPin[0x0][0x1], pFnDecodeIsr, FALSE ); |
| } |
| |
| if ( gDecKernelLib.uNumMalones > 0x1 ) |
| { |
| pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_primary_isr; |
| pal_int_register ( uMvdKernelIrqPin[0x1][0x0], pFnDecodeIsr, FALSE ); |
| pFnDecodeIsr = ( PAL_PFNISR )mvd_kernel_hw_secondary_isr; |
| |
| if ( uMvdKernelIrqPin[0x1][0x0] != uMvdKernelIrqPin[0x1][0x1] ) |
| { |
| pal_int_register ( uMvdKernelIrqPin[0x1][0x1], pFnDecodeIsr, FALSE ); |
| } |
| } |
| } |
| |
| |
| /* End of file */ |
